Lightning Greaves [Commander 2017] Hydra Dog I always stand on protocol

I always stand on protocol

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep

Revered Bladesmith enters the battlefield

Set: Antiquities Type: Sorcery Rarity: Uncommon Cost: {U}{U} Sacrifice an artifact

Set: Guildpact Type: Creature — Nephilim Rarity: Rare Cost: {B}{R}{G}{W} Whenever Dune-Brood Nephilim deals combat damage to a player

Lightning Greaves [Commander 2017] Hydra Dog I always stand on protocolSet: Commander 2017 Type: Artifact Equipment Rarity: Uncommon Cost: {2} Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0} After lightning struck the cliffs, the ore became iron, the iron became steel, and the steel became greaves. The lightning never left.